Home / 12,836.66-19,255.54-4,071.38

Finding the Fourth Proportional to 12,836.66, 19,255.54 and 4,071.38

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Solution

The fourth proportional to 12,836.66, 19,255.54 and 4,071.38 is: 6,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.66 : 19,255.54 = 4,071.38 : x
  2. Step 2: Convert to fraction form
    12,836.66/19,255.54 = 4,071.38/x
  3. Step 3: Cross multiply
    12,836.66x = 19,255.54 × 4,071.38
  4. Step 4: Simplify right side
    12,836.66x = 78,396,620.45
  5. Step 5: Solve for x
    x = 78,396,620.45/12,836.66
  6. Step 6: Final answer
    x = 6,107.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.